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# Make a static library for test infrastructure code that we re-use
# in multiple test executables across the repository.
gmx_add_unit_test_library(mdrun_test_infrastructure
    energyreader.cpp
    energycomparison.cpp
    moduletest.cpp
    terminationhelper.cpp
    trajectorycomparison.cpp
    trajectoryreader.cpp
    # pseudo-library for code for mdrun
    $<TARGET_OBJECTS:mdrun_objlib>
    )
target_include_directories(mdrun_test_infrastructure SYSTEM PRIVATE ${PROJECT_SOURCE_DIR}/src/external)

set(testname "MdrunTests")
set(exename "mdrun-test")

gmx_add_gtest_executable(${exename}
    CPP_SOURCE_FILES
        compressed_x_output.cpp
        densityfittingmodule.cpp
        exactcontinuation.cpp
        ewaldsurfaceterm.cpp
        grompp.cpp
        helpwriting.cpp
        initialconstraints.cpp
        interactiveMD.cpp
        orires.cpp
        outputfiles.cpp
        pmetest.cpp
        simulator.cpp
        swapcoords.cpp
        tabulated_bonded_interactions.cpp
        termination.cpp
        trajectory_writing.cpp
        mimic.cpp
        # pseudo-library for code for mdrun
        $<TARGET_OBJECTS:mdrun_objlib>
    )
target_link_libraries(${exename} PRIVATE mdrun_test_infrastructure)
gmx_register_gtest_test(${testname} ${exename} OPENMP_THREADS 2 INTEGRATION_TEST IGNORE_LEAKS)

# To avoid running into test timeouts, some end-to-end tests of mdrun
# functionality are split off. This can be rearranged in future as we
# see fit.
set(testname "MdrunNonIntegratorTests")
set(exename "mdrun-non-integrator-test")

gmx_add_gtest_executable(${exename}
    CPP_SOURCE_FILES
        # files with code for tests
        minimize.cpp
        nonbonded_bench.cpp
        normalmodes.cpp
        rerun.cpp
        simple_mdrun.cpp
        # pseudo-library for code for mdrun
        $<TARGET_OBJECTS:mdrun_objlib>
        )
target_link_libraries(${exename} PRIVATE mdrun_test_infrastructure)
gmx_register_gtest_test(${testname} ${exename} OPENMP_THREADS 2 INTEGRATION_TEST IGNORE_LEAKS)

# TPI does not support OpenMP, so we need a separate test binary
set(testname "MdrunTpiTests")
set(exename "mdrun-tpi-test")

gmx_add_gtest_executable(${exename}
    CPP_SOURCE_FILES
        # files with code for tests
        tpitest.cpp
        # pseudo-library for code for mdrun
        $<TARGET_OBJECTS:mdrun_objlib>
        )
target_link_libraries(${exename} PRIVATE mdrun_test_infrastructure)
gmx_register_gtest_test(${testname} ${exename} INTEGRATION_TEST IGNORE_LEAKS)

# Tests that only make sense to run with multiple ranks and/or real
# MPI are implemented here.
set(testname "MdrunMpiTests")
set(exename "mdrun-mpi-test")

gmx_add_gtest_executable(${exename} MPI
    CPP_SOURCE_FILES
        # files with code for tests
        domain_decomposition.cpp
        minimize.cpp
        mimic.cpp
        multisim.cpp
        multisimtest.cpp
        pmetest.cpp
        replicaexchange.cpp
        # pseudo-library for code for mdrun
        $<TARGET_OBJECTS:mdrun_objlib>
        )
target_link_libraries(${exename} PRIVATE mdrun_test_infrastructure)
gmx_register_gtest_test(${testname} ${exename} MPI_RANKS 2 OPENMP_THREADS 2 INTEGRATION_TEST IGNORE_LEAKS)

# Slow-running tests that target testing multiple-rank coordination behaviors
set(exename "mdrun-mpi-coordination-test")
gmx_add_gtest_executable(${exename} MPI
    CPP_SOURCE_FILES
        # files with code for tests
        periodicactions.cpp
        # pseudo-library for code for mdrun
        $<TARGET_OBJECTS:mdrun_objlib>
        )
target_link_libraries(${exename} PRIVATE mdrun_test_infrastructure)

# These tests are extremely slow without optimization or OpenMP, so only run them for
# build types like Release or RelWithDebInfo and if the build has been configured
# with OpenMP enabled.
if (CMAKE_BUILD_TYPE MATCHES "Rel" AND GMX_OPENMP)
    set(testname "MdrunMpiCoordinationTestsOneRank")
    gmx_register_gtest_test(${testname} ${exename} MPI_RANKS 1 SLOW_TEST IGNORE_LEAKS)
    set(testname "MdrunMpiCoordinationTestsTwoRanks")
    gmx_register_gtest_test(${testname} ${exename} MPI_RANKS 2 SLOW_TEST IGNORE_LEAKS)
endif()
